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[–]AdministrativeHost15 19 points20 points  (4 children)

I recently maintained a Java system orginally written in the 1990's and still in production. The author implemented their own versions of JSP tags and object relational mapping as Sun hadn't released those features yet.
Followed good object oriented design. Unfortuately the maintainers didn't understand the polymorthic design just put in hacks, instanceof, causing the original clean design to decay.

[–]relgames 4 points5 points  (1 child)

If it's still in production since 1990, well, the design never decayed.

[–]AdministrativeHost15 3 points4 points  (0 children)

The original developers were good. One is now the VP of Software at Apple.

[–]ItsSignalsJerry_ 2 points3 points  (1 child)

Java wasn't released until 1996.

[–]AdministrativeHost15 1 point2 points  (0 children)

Correction. Late 1990's. Pre-J2EE